CVE-2026-84739: gitlab

csirt@kutim:~/threat-intel/cve/CVE-2026-84739

CVSS 8.7 · High EPSS 0,47%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada gitlab. Skor CVSS 3.1 8.7 (High) menurut gitlab.com.

Deskripsi (NVD)

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.11 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary JavaScript in the context of another user's browser session due to improper sanitization of path components in the merge request diff viewer.

Rincian

Terbit di NVD: 29 September 2026
Terakhir diubah: 5 Oktober 2026
Status NVD: Analyzed
CVSS 3.1: 8.7 (High), sumber gitlab.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS (30 hari): 0,47% peluang dieksploitasi; lebih tinggi dari 38,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
gitlab	gitlab	Versi 13.11.0 hingga sebelum 19.2.7
gitlab	gitlab	Versi 19.3.0 hingga sebelum 19.3.3
gitlab	gitlab	Versi 19.4.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/ release notes · advisory vendor
https://gitlab.com/gitlab-org/gitlab/-/work_items/627316 broken link
https://hackerone.com/reports/3938482 permissions required

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 6 Okt 2026, 06:25 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.